Tower Research Capital (TRC)’s Ciena CIEN Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Shares
Change %
Capital Flow Portfolio Weight Portfolio Position
2025
Q2
$329K Sell
4,049
-6,956
-63% -$566K 0.01% 1339
2025
Q1
$665K Buy
11,005
+1,049
+11% +$63.4K 0.02% 688
2024
Q4
$844K Buy
9,956
+6,783
+214% +$575K 0.02% 716
2024
Q3
$195K Sell
3,173
-607
-16% -$37.4K 0.01% 1645
2024
Q2
$182K Sell
3,780
-820
-18% -$39.5K ﹤0.01% 2153
2024
Q1
$227K Sell
4,600
-5,003
-52% -$247K 0.01% 1337
2023
Q4
$432K Sell
9,603
-6,382
-40% -$287K 0.01% 1495
2023
Q3
$755K Buy
15,985
+5,859
+58% +$277K 0.02% 659
2023
Q2
$430K Buy
10,126
+948
+10% +$40.3K 0.01% 1067
2023
Q1
$483K Buy
9,178
+6,595
+255% +$347K 0.02% 848
2022
Q4
$132K Sell
2,583
-2,648
-51% -$135K 0.01% 1605
2022
Q3
$211K Sell
5,231
-12,917
-71% -$521K ﹤0.01% 1875
2022
Q2
$830K Buy
18,148
+9,764
+116% +$447K 0.02% 814
2022
Q1
$508K Sell
8,384
-5,003
-37% -$303K ﹤0.01% 1137
2021
Q4
$1.03M Buy
13,387
+6,435
+93% +$495K 0.02% 686
2021
Q3
$357K Sell
6,952
-8,007
-54% -$411K 0.01% 1238
2021
Q2
$851K Buy
14,959
+4,932
+49% +$281K 0.02% 780
2021
Q1
$549K Sell
10,027
-9,792
-49% -$536K 0.01% 1164
2020
Q4
$1.05M Sell
19,819
-2,206
-10% -$117K 0.03% 497
2020
Q3
$874K Buy
22,025
+807
+4% +$32K 0.01% 1113
2020
Q2
$1.15M Buy
21,218
+7,628
+56% +$413K 0.05% 438
2020
Q1
$541K Buy
13,590
+11,770
+647% +$469K 0.03% 404
2019
Q4
$78K Sell
1,820
-14,004
-88% -$600K 0.01% 1085
2019
Q3
$621K Sell
15,824
-2,665
-14% -$105K 0.04% 491
2019
Q2
$761K Buy
18,489
+13,656
+283% +$562K 0.05% 339
2019
Q1
$180K Buy
4,833
+1,902
+65% +$70.8K 0.01% 1161
2018
Q4
$100K Sell
2,931
-5,624
-66% -$192K 0.01% 956
2018
Q3
$268K Buy
8,555
+7,126
+499% +$223K 0.02% 818
2018
Q2
$38K Sell
1,429
-4,206
-75% -$112K ﹤0.01% 2011
2018
Q1
$146K Buy
5,635
+5,132
+1,020% +$133K 0.01% 1043
2017
Q4
$11K Sell
503
-20,974
-98% -$459K ﹤0.01% 2482
2017
Q3
$472K Buy
21,477
+20,877
+3,480% +$459K 0.04% 276
2017
Q2
$15K Buy
600
+500
+500% +$12.5K ﹤0.01% 1367
2017
Q1
$2K Sell
100
-619
-86% -$12.4K ﹤0.01% 2600
2016
Q4
$18K Sell
719
-8,086
-92% -$202K ﹤0.01% 2232
2016
Q3
$192K Sell
8,805
-21,514
-71% -$469K 0.02% 508
2016
Q2
$569K Buy
30,319
+29,256
+2,752% +$549K 0.05% 237
2016
Q1
$20K Buy
1,063
+735
+224% +$13.8K ﹤0.01% 1338
2015
Q4
$7K Buy
328
+286
+681% +$6.1K ﹤0.01% 2545
2015
Q3
$1K Sell
42
-163
-80% -$3.88K ﹤0.01% 3578
2015
Q2
$5K Sell
205
-10,090
-98% -$246K ﹤0.01% 3229
2015
Q1
$199K Buy
10,295
+8,745
+564% +$169K 0.02% 414
2014
Q4
$30K Buy
1,550
+837
+117% +$16.2K ﹤0.01% 1327
2014
Q3
$12K Sell
713
-474
-40% -$7.98K ﹤0.01% 2694
2014
Q2
$26K Sell
1,187
-957
-45% -$21K ﹤0.01% 1682
2014
Q1
$49K Buy
2,144
+1,884
+725% +$43.1K 0.01% 1107
2013
Q4
$6K Sell
260
-18,777
-99% -$433K ﹤0.01% 3385
2013
Q3
$476K Buy
19,037
+18,613
+4,390% +$465K 0.05% 335
2013
Q2
$8K Buy
+424
New +$8K ﹤0.01% 2554